Auth bypass in user_webdavauth and user_ldap

Platform: ownCloud Server

Versions: 4.0.10, 4.5.5,

Date: 12/20/2012

Risk level: High

Description

ownCloud 4.5.4, ownCloud 4.0.9 and all versions previous to this doesn’t sufficiently verify whether a request to settings.php was sent by an admin, which allows unauthenticated users to edit app configurations of user_webdavauth and user_ldap. An unauthenticated attacker may use this to gain access to any user account on the server if these plugins are enabled.

Affected Software

ownCloud Server < 4.0.10 (CVE-2013-5665)

ownCloud Server < 4.5.5 (CVE-2013-5665)

Action Taken

It is recommended that all instances are upgraded to ownCloud Server 4.5.5 or 4.0.10.

Acknowledgements

The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:

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